Here you are few 'manufacturer-specific':
Racy/Racytype Roadster (Abbott-Detroit, Brush, Mora, Van, Velie, Yankee)
Tourabout (Acme, Alpena, American Napier, Benner, Carroll, Chadwick, Chalmers-Detroit, Cole, Crow, Cutting, Diamond T, Durocar, EMF, Enger, Gaeth, Halladay, Herreshoff, Jackson, Kearns, Kenmore, Knox, Lexington, Marathon, Marquette, Mason, Maxwell-Briscoe, Monarch, New York, Nyberg, Oldsmobile, Paterson, Pittsburg Six, Powercar, Pratt, Simplex, Steely, Stutz, Thomas, Vernon, Washington, Wayne)
Sedanet/Sedanette (Adria, King, Lexington, Standard, Stephens)
Gunboat (Allen-Kingston, Berkshire, Charhartt, Faulkner-Blanchard, GJG, Locomobile, Palmer-Singer, Thomas, WFS)
Tourster (Apperson, Cole, Kissel, Kissel-Kar, Premier, Stutz, Vernon)
..and those are only the ones I found browsing the American Cars starting with A (adding the other makers sharing the same designation)!